1
NEET 2019
MCQ (Single Correct Answer)
+4
-1
For a p-type semiconductor, which of the following statements is true?
A
Holes are the majority carriers and trivalent atoms are the dopants.
B
Holes are the majority carriers and pentavalent atoms are the dopants.
C
Electrons are the majority carriers and pentavalent atoms are the dopants
D
Electrons are the majority carriers and trivalent atoms are the dopants.
2
NEET 2018
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
In the circuit shown in the figure, the input voltage Vi is 20 V, VBE = 0 and VCE = 0. The values of IB , IC and $$\beta $$ are given by NEET 2018 Physics - Semiconductor Electronics Question 25 English
A
IB = 40 $$\mu $$A, IC = 10 mA, $$\beta $$ = 250
B
IB = 25 $$\mu $$A, IC = 5 mA, $$\beta $$ = 200
C
IB = 20 $$\mu $$A, IC = 5 mA, $$\beta $$ = 250
D
IB = 40 $$\mu $$A, IC = 5 mA, $$\beta $$ = 125
3
NEET 2018
MCQ (Single Correct Answer)
+4
-1
In the combination of the following gates the output Y can be written in terms of inputs A and B as NEET 2018 Physics - Semiconductor Electronics Question 26 English
A
$$\overline {A.B} $$
B
$$A.\overline B + \overline A .B$$
C
$$\overline {A.B} + A.B$$
D
$$\overline {A + B} $$
4
NEET 2018
MCQ (Single Correct Answer)
+4
-1
In a p-n junction diode, change in temperature due to heating
A
affects only reverse resistance
B
affects only forward resistance
C
does not affect resistance of p-n junction
D
affects the overall V - I characteristics of p-n junction
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